MONTHLY PRECIPITATION, MM., PHILADELPHIA, 1820-1950                             
  76.2  64.8 127.3  76.2 166.6  47.8 165.1  92.5  49.5 227.1  79.2  82.6        
  12.2 122.4  14.5  77.5 150.4  66.0  46.7  10.4 145.8  82.3 118.1  72.1        
  43.2  73.7  55.9  54.9  55.1  36.6  96.5  33.8 138.4  31.5 127.0  31.8        
  85.9  98.0 174.5  45.0  40.6  22.1 155.4 118.9  87.9  51.3  62.7 187.2        
  93.2 100.1  66.8 115.3  40.4 154.7 223.5 162.3 154.9  38.9  63.2  53.6        
  21.3  82.8 117.6  21.1  43.7  93.7  52.3  94.0  66.3  31.8  34.5  94.5        
  28.2  54.1 147.3  98.3   4.8 118.4  93.5  69.9  50.8 148.1  47.0  32.5        
  72.6  90.2  31.2  71.9  63.5  53.1  75.4 146.1  20.1 150.1 120.9  82.8        
  52.1  69.9  85.1  97.0  88.6  68.3 135.4  38.4 117.3  35.3 170.4   6.6        
 136.4  95.3  72.9 126.7  68.1  87.4 110.5 117.1  51.1  58.4 100.8  38.4        
  41.4  52.3 104.6  46.2  95.3 152.1 103.4  98.3  74.4 109.5 135.9 131.6        
 158.0  62.0  75.4 132.1  27.2  90.4 105.9 136.9 135.4 114.6  47.8  30.5        
 116.3  67.6  48.3  75.7 128.0  39.4  66.5 144.5  35.6  86.6  65.8 129.3        
 100.8  31.5  56.4  17.8 149.4 134.1 105.4  86.1  97.0 255.3  55.4 144.0        
  63.2  56.4  51.3  71.9  89.4 101.3 110.5  15.7  90.7  83.6  76.5  59.2        
  69.9  46.0  97.3 110.0  50.5 159.3 166.4  52.1  66.8  31.0  81.0  68.1        
 193.5  75.9  44.5  88.1  57.9 185.7  73.9  50.0  46.2  91.2  84.8  91.7        
  63.5  90.9  95.5  71.9 123.4  71.9 149.6 103.1  57.9  16.8  82.0  65.0        
  55.9  55.6  80.5  91.2  90.9 167.6  60.5  70.6 241.8 124.5  85.1  26.7        
 128.0  86.9  38.4  38.4 154.2  99.6  64.0 117.9  74.2  71.9  78.7 159.0        
  46.7  76.5  66.8 173.5  68.3 151.1 115.3 141.0  63.5 145.5  63.2  92.7        
 199.1  35.3 147.8 163.8  83.1  79.0  83.3 231.1  48.3  81.3 107.2 150.4        
  34.5 108.2  72.1 134.9 148.8  81.0 299.7  96.3  32.3  43.4  88.6  93.0        
  36.6  64.5 112.3 119.9  52.1  42.9 115.3 235.2 123.4  81.8 105.4 102.6        
 102.9  36.8 112.5  34.3  78.5  85.1 134.1  61.0 102.4 127.8  74.9  69.9        
  95.5 120.4  61.5  65.5  40.6  94.5  75.2 185.4  54.9  64.3  63.5 100.6        
 117.6  84.6 116.8  53.6  87.6  83.8 116.8 108.5   6.4  62.2 202.4  87.4        
 120.1 116.1 119.4  15.0  39.9  84.1  70.1  80.8 205.0  76.2  72.1 147.1        
  51.6  36.6  69.9  39.1 124.5 112.5  83.3  43.7  46.0  95.3  59.4 127.3        
  18.5  66.3 138.9  44.5 101.6  55.9  74.4 177.0  35.8 142.2  66.0 148.3        
 121.2  72.9 120.7  67.8 165.1  51.6 151.6 211.6 196.3  27.7  84.3 114.8        
  31.2  79.0  88.1 115.8 122.4  87.4  64.0  65.0  28.7  77.0  85.1  57.9        
  51.1  68.8 108.5 163.8  77.0 102.4 103.1 111.8  32.8  57.7 153.9 131.3        
  47.0 112.8  62.5  97.5 131.3  27.9 160.0  78.5 113.3  88.1  58.9  55.1        
  59.2 106.9  41.1 196.9 176.3  60.7  76.7  21.3  96.5  39.4  71.9  73.9        
  59.4  59.7  42.7  52.1  75.2 201.9 162.6  70.9 101.6 104.4  51.8 137.9        
 115.3  31.5  56.6  89.4  66.0  50.5  38.4 152.4 101.9  33.0  52.6  74.7        
  89.7  20.1  46.5 172.2 141.0 190.5  99.6 192.8  28.2  68.3  36.8 141.0        
  65.8  58.2  27.7 117.9 127.5 114.0  34.3 125.5  37.8  46.7 142.5 114.3        
 169.7  93.0 177.3 142.5  57.2 152.7 103.4 120.1 195.1  79.5  97.0  88.6        
  82.0  70.1  36.1  96.5  97.0  73.2  25.1 214.9  72.4 114.8 155.7  84.1        
 133.4  52.6  99.6  94.2 168.7  98.6  65.0  79.8 111.8  96.5 123.7  53.1        
 121.7 117.9  90.2 105.7  58.7 177.0  62.7  23.6 101.1 121.2 121.7  41.9        
 119.9 118.9 149.6 178.3 114.6 108.0 152.7  36.8  22.4  62.5  68.6 117.6        
  43.4  14.0 131.3  96.5 220.5  59.7  95.8  48.8 181.9  46.2  99.8 130.8        
  91.7 148.1 119.6  71.9 183.1 120.7  75.4  95.8 202.2  77.5 100.6 142.5        
  80.0 167.9  54.6  74.4 118.9  75.2  64.0  55.4 221.2 105.4  44.7  88.1        
  44.7  98.8 138.9  46.0 185.9 280.2  60.7 401.8  43.7 109.7  74.7  69.3        
  91.9  64.0  85.3 138.2 178.1 111.0  89.2  52.3 226.3  44.2 134.1  91.4        
 108.7 120.9 134.9  53.8 107.7 141.7  73.4  32.5  82.6 160.5  94.7 130.0        
 103.6  64.3 103.1 142.5 159.5  73.7 100.3 130.0  43.4  98.8  53.3  48.0        
  88.1  78.5 147.6  46.5  85.9  96.0 173.0 151.6  45.0 123.4 109.0  57.4        
  37.8  28.4  93.2  66.0  80.0 109.0 233.7 198.4  93.0 132.1  87.1  69.6        
 148.3 120.7  52.1  89.2 148.1  22.9 127.0 291.8  92.2 147.3 129.5  35.1        
 116.3  62.5  54.9 247.9  69.9  75.2  57.2 143.5 152.7  72.9  58.9  63.0        
  71.9  81.3  78.7  71.9  34.5 104.9  92.2 163.1  64.3  36.1 137.2  85.6        
  38.6 127.8 170.4  54.9 113.0  58.2 145.0  24.9 222.8  26.9 185.7  35.6        
  66.5  21.3  86.4  67.6  27.9 132.6 140.5  16.8  69.6 165.6 130.6  21.1        
 100.1  41.7  73.4  64.8  83.6  93.0 110.5  97.3  24.4  51.8  55.6  81.0        
  69.3  30.2  57.9 106.9  31.0 172.0  92.2 181.1  28.4  10.4  35.1 119.1        
  38.4  61.7  89.7  61.7  13.7  42.4 196.6 129.3  27.9  44.2  44.5 102.9        
  93.0 120.9  97.3  15.5  68.8  98.3  24.4  30.0  23.9  77.2  51.3  66.8        
 116.1 107.2  90.7  53.8 128.5  48.3  34.8 162.6 307.1  33.5  25.1  50.0        
 104.9 128.0  51.3  62.0  48.5 150.1  45.2  86.4 107.7 106.7  34.0  70.1        
 138.7 144.8 119.4  41.4  86.1  76.2  97.3 109.2   5.1  39.1  58.7  83.3        
  74.2  70.9  17.5  64.5  95.5  18.8  60.7 172.7  29.7  84.6  85.1  72.9        
  93.7 117.3  80.5  68.6 114.3  72.6 107.4  35.1  30.5  48.0  99.3  78.5        
  82.0 112.5  65.8  50.8  15.7 173.0 181.4  58.7 125.0  42.7  35.1 128.5        
 109.2  65.3 137.7  53.3  87.9  27.7  85.9 148.8 145.5  82.0  95.8  80.0        
  95.3  50.8  65.5  80.5 109.7  86.1 210.6 179.6 118.4  95.5 171.7  21.6        
  46.5  86.1 117.1  57.9  75.2  33.0 102.4  85.3  58.7 122.4  20.3  59.2        
  92.7 119.6 112.3  59.4  44.2  63.8 118.1 107.2  48.3  65.3  43.2  96.0        
 113.8  24.9 109.7  51.6 130.0  50.3  75.4  69.6  52.3   7.6 145.0  53.1        
  65.5 123.2  65.3 113.5  74.2  78.0  51.8  61.7  95.5  84.3  63.8  79.5        
  45.2  78.0  36.8  75.9 240.3  41.4  19.1  54.6 129.8 118.4  82.8 102.4        
 114.8  35.3  66.3 156.0  43.7  80.0  82.0  15.0  15.5  75.4  58.9  44.7        
  39.9 174.5 104.4  30.2  57.7 103.4  83.1  11.7  70.1  52.8  63.5  25.4        
  55.1  75.4  51.6  77.0 110.0 115.1 195.6  89.4  27.9  43.2 112.8 114.8        
 104.1  71.1  77.5  74.4 122.9  44.5  92.2 230.1  46.2 123.2 182.6  81.5        
 101.9 157.5 164.3  26.4  58.4  27.7 119.1 131.6  93.0  50.3  49.0  35.8        
  84.8  94.2  79.5  49.3 104.4  71.6  70.4 100.3 160.3  76.2  86.9  61.2        
  62.7  21.8  86.1 121.2 102.9  29.2 124.0 239.3  93.5  38.4  67.1 170.7        
  70.4 139.4 100.8  83.6  51.1 154.4  89.2  59.4 126.2 169.2  51.8 168.4        
  89.4 109.0 111.3  76.2  23.6 139.2  97.5 141.5  58.7  98.0  26.2  83.6        
  79.8  56.1  82.3  48.0  52.8  73.2  97.0 112.5 183.1 102.4  64.8  57.9        
  79.2  65.0 106.2  90.9  35.8  45.0  79.0 243.1  92.7 103.4  40.9  75.7        
  80.3  62.7 142.0  80.5 112.5 204.2 135.4 242.8   9.1 126.2  43.7  78.0        
  67.3  69.9  71.4  73.2 142.5 118.4  99.1  91.2 152.1  85.9 148.6 118.6        
  79.8  81.5  71.9  59.7 174.0  61.2 115.3 137.4  45.5  46.0  17.0  79.2        
  64.0 117.3  74.2 114.0  67.8  57.4  55.6  49.5  90.2  21.1  88.9 148.8        
 107.4  75.9   9.7 120.9  54.1 137.2  46.7 145.3  77.5  73.7  92.7  64.8        
  81.8  68.3  69.1  93.5  42.7 129.5 106.4 307.3  64.0 106.7 141.7  93.2        
  65.3  83.8 231.1  73.4 136.7  48.5 105.4  43.4 142.7  61.5  81.5 120.4        
  75.9  48.3 118.4 174.5 117.6  54.6 109.0 117.1 107.7 143.8  72.4  65.0        
  87.9  84.3  68.8  87.1  22.9  94.0 196.9  58.7  21.8  37.8  45.5 186.7        
 171.2 141.0  25.4 107.4 104.6  87.6 127.5 173.7  11.7  50.3  31.0 107.2        
  38.1  90.2  95.3  75.4  69.9  71.9  86.4  23.9  62.0  30.7  37.6 138.4        
  48.3  55.9 138.7  62.7  75.2  57.2 143.0  97.0  83.1 153.4  21.8  64.3        
 103.1  39.9  58.4 112.3 173.0  54.6  62.5  85.1  95.5  17.5  49.0 107.4        
  85.1  77.2 122.2  80.5 115.1  55.6 261.6 157.2  71.6  65.8  71.1  84.6        
  68.8  93.2  85.1  99.6  54.6 171.7  89.4 185.7  86.9  16.3 102.9 118.4        
  51.6 111.8  62.0  47.0  86.9  72.6 102.6 152.7  56.1  10.2  93.7  53.3        
  80.3  66.5 110.2  38.6  62.7 115.8  61.5  65.0  31.2  18.0  10.9  83.6        
 121.4  68.8  90.9 129.3  31.2  16.5  89.2 108.2  92.5  95.8  48.5 103.1        
 113.0 116.1  87.6 136.4 124.7 109.5  80.8  95.8 129.0   2.3  44.5  55.4        
 118.9  42.2  80.0  61.7  59.9  29.5 126.7  51.1  48.0 105.2  75.4  24.4        
  72.4  80.8  49.8  46.0  58.7  71.4 213.4 152.1 124.0 104.4  78.0  89.9        
  47.8  91.9  28.2  93.0  44.5  88.4 114.3 184.7  65.8 145.0  91.2 101.3        
  48.5 101.6  53.3 141.0  55.6 172.0  91.4 137.4  91.7  18.5  49.3  38.1        
  68.6 107.7  56.4 163.6  57.9  69.6  38.9  81.8 165.4  91.2  79.0  75.7        
  80.0  92.7  65.5  41.7  82.6 126.0 103.1  38.4  65.3  44.2  59.9  63.5        
  55.1  48.8 100.8  52.1 112.8  95.3 202.9 152.4  40.6  66.3  25.4  45.2        
 119.1  40.1 188.7  60.2  96.8  86.1  57.2  78.0  26.7 109.2 189.2  79.5        
  67.6  81.0 123.4 133.6 176.0 121.4 119.4 249.9 105.9  35.3  27.2  64.0        
  73.9  69.9  74.2  79.0  99.6  81.8  55.4 109.0 159.3  39.1  67.1  66.3        
 106.9  79.2  53.6  53.8  56.1 158.8 128.8  84.8 212.3 100.3 103.4  39.4        
 163.6  87.9 102.1  57.2  42.4 100.6  66.0  83.8  94.5  44.7  17.5 122.7        
 145.0  42.2  75.7 111.3  66.5  89.2  29.5 104.1  39.4 133.1  87.4  26.7        
  58.9  64.5  46.5  48.8  72.6 255.5 165.6 104.1 186.7  53.1  79.0  56.4        
 113.3 155.4 109.7 162.6  48.5 113.0  55.6 175.3  48.5 109.2  32.0  30.0        
  24.4  73.7 104.1 153.9 124.2  64.0  46.2 199.9 116.3  60.5 107.7  64.3        
  80.3  52.8  71.1  63.0  22.1 126.0 142.2  65.8  13.0  27.9  59.9  93.2        
  59.4  58.4 122.9  34.3  46.2  54.1 171.2 166.4  42.7  86.4  96.3 107.2        
  86.6  42.7  79.2  52.1 152.4  80.8 108.2  15.7  30.0 132.1  71.1  31.0        
  74.7  50.5 150.1 125.2  50.0  53.3  18.5  62.0 154.4  41.7 109.5  85.3        
  69.3  80.0  40.9  74.9  84.6 101.1 225.0  95.3 100.6  48.3 144.5 128.3        
  38.4  52.3  68.6  37.1 148.6 218.7 131.6 112.8  81.8  31.0  47.5  70.1        
  96.8  61.5  55.6 171.7 220.5 119.4  63.2 181.6  73.9  64.8 166.9  48.0        
 137.7  80.5 105.2  89.9 174.8 124.0  86.4 136.9  31.5  35.3 112.3 143.0        
 160.8  97.0  80.5  62.5 158.2   7.6 165.9 106.7  92.2  63.2  26.2  77.0        
  52.3 105.4 144.3  49.5 116.1  54.1 148.6 159.3  85.3  67.3 112.8  59.4        
